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Bulletin No. 27 MoM TRIaWToOM | : March 10, IYER. 


COMICUVEALTA OF PMINSYLVANIA 





DEPARTMENT OF INTERNAL AFFAIRS 
James F. Woodward, Secretary 


BUREAU OF TOPOGRAPHIC AND GEOLOGICAL SURVEY 
George H. Ashley, State Geologist 


COAL RESERVES IN -WASHINGTON COUNTY, PENNSYLVANTA, 
By 
John F, Reese 


Introduction, 


In conneétion with the "Introduction to the Bituminous Coal. 
Piclas of Pennsylvania" now being prepared for publication by the 
Geological Survey of Pennsylvania, coal reserves of the bituminous 
fields are being computed by Mr, John F, Roese, .In order to render *; 
this information available at once without waiting for the uncertain 
mate of printing the report, an abstract of Mr, Reese's figures for 
Washington County is given herewith. All of the information readily 
Vailable at this time has been used in the computation, which 
followed the metho&s used by the Land Classification Board of the 
mnited States Geological Survey in its valuation of the public coal 
Hands. The results are given by beds for cach township. For some 
eds and for some areas the data arc abundant and the results entirely 
reliable. For other beds and areas the data are meager and the re- 
Ssyits. subject to revision as additional data are obtained, All of 
tHe data uscd and the computation sheets are permanently filed ad 
hat modifications of the original figures due to the sccuring of 
gaditional data can be made readily. 







e---ers 


% The figures presented are preliminary and subject to Gorreetion 
Or any area whon that area shall be studied in detail, In the mean- 

BPime critical cxamination of the figures is invited in order that tho 

Fosults may be made as accurato as possiblo, To that cnd the Survey 

will welcome: every bit of data not now in its possession. Records of 

-@rillings and other data will be kept strictly confidential if go 

desired, although the Bureau naturally prefers to be able to use 

data frecly. 


George H. Ashley. 








“ 


Se ere ee mane 


COAL BEDS. 


Washington County has the sccond largest reserve of coal within 
“f tho State, 
Pive beds are considered of economic valuc, and the quantity of 
coal in tho ground has been calculated for cach of these beds. 


In order of vresent importance as shipping coals, they are the 
Pittsburgh, Redstone, Waynesburg, Washington, and Frecport, 


Pittsburgh Coal. The extensive mining and prospecting of this 
bed, and its outcrop throughout the county, heve furnished many 
moasurements of its thickness, thus maxing possible 9 roliable 
computation of quantity, For some localitics, particularly the old 
abandoned workings elong Monongahela River and large areas in the 
northwestern part of Ee Nie no maps or other data are available 
from which to determine the size of the areas already minod out. 


Redstone Coal, This bed is developed locally in three town- 
Ships within the county, namely Union, Carroll, and Pallowficld, 
Measurements on the outcrop and in mine workings furnish the only 
data available for computing the quantity. It has been assumed that 
the bed is continuous within these townships and an average thickness 
of 3 feet has becn used in the calculations. This coal is mined on 
a very sniall scale for shipmont and for local use, 


Waynesburg Coal. Tho extensive outcrop of this bcd throughout 
the county has furnished many measvremonte of its thickness, thus 
making possible 9s fairly reliable computetion of quantity. This’bed 
is broken by many partings, is cxtremcly varicble in its section, and 
in many.localities is undcr shallow cover. or these reasons it: 
cannot be considered as ® good reserve for fucure commerctal use, and 
in computing the quantity of coal only 2 low perecntage of the bed 
has becn figured as mineable, The coal is mined for local use only. 


Washineton Coal. Measuremonts on tho outerep of this coal bea 
have been obtaincd in sufficient number to make a fairly reliable 
computation of the tonnage, Like the Waynesburg coal, this bed is 
broken by many partings, is varinble in section, and in placcs is 
under shallow cover. It is extromely dirty and in many places is 
represented by carbonaccous shale, For these reasons in computing 
the quantity of coal only a small vercentage has been considercd 
recoverable. The Yiashington coal is minced for local use only and 
cannot be considercd as a good souree of future supply. 


Frecport Coal. Reeords of drill holes along Monongahela River 
furnish che Only reliable datn on the thickness of this bed. Churn 
drill: records show coal at its horizon throughout the southeastern 
and central part of the county, It is assumed that this coal under- 
lies the entire county. <A thickness of 42 inches has been assumed in 
the townships along Monongahela River. The county has been divided 
into sevornl northcast-southwost belts and as arbitrary thickness for 


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the Freeport coal assigned in each zone. The assigned thickness xaos 
regularly decreased westward to a minimum of 24 inches in the north- 
west part of the county. The quantity recoverable his been estimated 
as 50 per cent of the whole, from which has been deducted 15 per cent 
for loss in mining. 


, Because of the irregularity and many partings of the Redstone, 
Waynesburg, ond Washington coals, it is believed that the Freeport 
bed will yicld a larger output then any of these others when the 
Pittsburgh bed has been exhausted and necessity demands the develop- 
ment of decp-lying beds. | 


The accessibility of the Redstone, Waynesburg, and Washington 
conls for local use makes them more important than the Freeport coal 
at the present time but if assumptions 2s to unbroken continuity of 
this bed throughout the county are correct, the Preeport coal can be 
considered as second in importance for future commercial use, 


Other conls are mined for local use, but as they are very small 
beds and little is known of their extent and thickness, they sre not 
included in the computation of reserves, 


Method of Computing Reserves, 
The following method was used in computing the coal reserves: 


A base map for each coal bed was made by trncing its outcrop 
from the quedrnngle maps made by the -U. S. Geological Survey. All 
available measurements of a coal bed, gathered from Pedoral and -State 
reports, mine maps, core drill records end personai inspections, were 
plotted on the map of that coal bed at the locality represented. By. 
studying the distribution of the figures, arcss of equal thickness 
were plotted, and by means of @ planimeter, an instrument for 
measuring plane areas, the area of ench coal bed in each township 
was measured, For calculating the quantity of coal in any aren 
90,000 short tons per inch per square mile was used, 


Areas from which coal has been removed were determined from mine 
maps and plotted to scale on the base maps. The same method as above 
was used for computing the quantity of coal extractec, 


Having calculated the quantity of coal originally contained 
Within the area of any bed and subtracted the quantity already mined 
out, the writer detcrmined from enginecring experience the probable 
percentage of each bed which could be recovered in different locali- 
ties, This varies from 10 to 100 per cent, depending on the thick- 
ness and character of the bed. The quantity of coal computed to be 
in any bed, multiplicd by the assumed percentage of recovery, less 
15 per cent for loss in mining, gives the estimated recoverable 
tonnage, 

Coal Reserves, 


The result of computing the coal reserves in Washington County 
based on the latest maps, cngincering data, and methods is shown in 
the following tables: 


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Township 


Allen 

Amwell 
Beallsville 
Bentleyville 
Blaine 
Buffalo 
Canton 
Carroll 

Cecil 
Centerville 
Chertiers 
Cross Creek 
Deenston 
Donezal 

East Bethlehen 
East Finley 
Elco 

East Pike Run 
Fellowfield 
Hanover 
Hopewell 
Independence 
Jefferson 
Lonz Branch 
Morris 

Mt. Pleasant 
North Franklin 
North Strabane 
Nottingham 
Peters 
Robinson 


Pittsbureh 


2,382 ,000 
208: , 067, ,0Q0 
15 , 782, "000 
3. Oe, 000 
52 | B26. “000 
94 | "000 000 
65. ,080 *000 
47 "935 | “000 
86 . 860,000 
95,575,000 
80. ,2 90. "000 
110 , 682; "000 
56,415,000 
186 , 900 , 000 
628 ,276 , 000 
160 , 700; 000 
680 , 000 
29,200 ; 000 
81,600,000 
33 , 300 ; 000 
89 ,000 ,000 
98 ,600 , 000 
76 ,380 ,000 
2,050; “000 
141 000; ‘000 
147; “800-000 
35. 400;000 
122 ,700 000 
80 , 300, 000 
86 ,400 , 000 
13,600,000 


Redstone 


“180,000 
110,0007000 
5 -000:000 
2°000'000 
4,000,000 
17,000,000 
89602000 
10 5000;000 
12,000,000 
1,700.00 
5 /000'000 
2'900?000 
12,000,000 
9,000 ,000 
2,600 000 
40 000 ,000 


BZ 000,000 


3,500,000 

34 ,060 ,000 14,000 ,000 
&:000;, 000 
3,000; 000 
300-000 
300 . 000 
66 000.000 
5 -000:000 
8; 000/000 


19 000‘ 000: 


8' 000/000 
9,000,000 


cee 


Waynesburg 


Summary of Recoverable Coal in Washington County, .in short tons 


Washineton | 
LL A tees epi spt states eensratsneseseo Ca ee See ee a Sane Sa 


27,000; 000 
360 ,000 
90,000 

2, 800-000 
24° 000,000 
6 ,000 ,000 


270 ,000 


30,000 
4,000,000 

"B00 ,000 
27 000 ,000 


24 ,000 ,000 


7,000,000 
3,000,000 
4.0 ,000 


21000 .000 
3:000:000 
5,000,000 
5 000; 000 

800-000 
300 , 000 





Preeport Total 
eee 000. 000 5,562,000 
"900: * 000 406 , 367 ,000 
a , 200 | 000 22,142,000 
3'900;000 9,266 ,000 
11,900 , 000 70,126 , 000 
19,900,000 154,000,000 
43,900,000 93,480 ,000 
33,000,000 122,935,000 
25,900,000 124,030,000 
18 , 900 , 000 75,275,000 
24 | ‘000 000 109 , 320 , O00 
24. 000: "000 141 , 582 ,000 
ie , 900 ; 000 84,715,000 
39 | "000: "000 261,900,000 
3 "000! 000 358 , 876 ,000 
41,000; 000 265 , 700 000 
"£00! 000 1,680 , 000 
25,000 | °000 55 "700° » 000 
37 "000: 7000 166, ‘600 "000 
45. “000? , 000 78,300,000 
1 *000° ,O00 123,000,000 
24° 000° ,000 128,600,000 
20; 000° , 000 oo 720-006 
3. "090! 000 5,350 O00 
ele "000! ‘000 263,000,000 
oo ,000 * ,O0O0 188,800,000 
8 000° » O00 56 ,400 ,000 
Be ,090° “000 179,700,000 
ae i ‘0007 ,000 116,100,000 
Oo 000; ,000 118,700,000 
20 000 000 33,600 , O00 


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Summary of Recoverable Ccal in Washineton County in short tons - Continued 
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LOwnship Pittsburgh Redstone Waynesbure Washington Freeport Total 
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Rescoe ~ 68:000 eaaze 1,000,000 1,068, 0CO 
Smith 82,400,000 1 ,000;000 52,000,000 115,400,000 
Somerset 122,000; 000 415000000 2,000,000 46,000,000 211,000,000 
South Franklin 100;000;000 39,0060; 000 15 ,000 ; 000 25,000,000 .179,000,000 
South Strabane 108,000’000 31,000,000 11,000,000 27,000,000 177,000,000 
Speers "660.000 2 ,000 5000 2,660 ,O000 
Stockdale - 76.000 ? "600,000 676 , O00 
Twilicht 3 600 , 000 Se poe 2,000 ,000 5,600 , 000 
Union 34,400,000 22,000,000 1,000,000 7 22,000,000 79 400 , 000 
Yashineton 16 ,000 ; 000 3,000,600 200,000 4.000000 23,200,000 
West Bethlehem 213,000:000 109,000,000 14,000,000 64;0090;000 400,000,000 
West Finley 166° 300.000 44.000;000 G ,000,000 46,000,000 265,300,000 
West Pike Run 79,000,000 13,000 ,000 450 ,000 29,000,000 121,450,000 
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Total 3,516 ,860 ,000 88,000,000 668,380,000 212,540,000 995,900,000 5,481,680,000 





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Coal Reserves in Washinzton County, in short tons. 


7 : a 
Bed Original deposit Mined out Recoverable 











Pittsburch 5,091,310 ,000 556 ,163,000 3,516 , 860,000 
Redstone 158 , 760,000 600 , 090 88 , 000 ,000 
Waynesbure 1,914,084 ,000 700,000 668,380 ,000 
Weshineton - . (972,315,000 300 , O00 212 ,540 ,000 
Freeport 2,089 554,000 = | wennwen= 995,900,000 

Total  . 10,526,023,000 557,763,000 5 481,680,000 








sociak The total area of Washington County is 884.6 square miles. 


In the large table giving the estimated recoverable tonnace by 
weds and townships, the figures are recorded as computed to the 

nearest thousand. It should however be distinctly understood that 
while the acreage of each of the beds has been accurately computed, 
the reliability of the average thickmess of the coals used in the 
computation of tonnage decreases for the severgz1 beds given from left 
to right end for the townships from east to west or from northeast to 
southwest. Thus, while the fignres for the Pittsburgh bed are con- 
Servative and probably reliable, the figures for the Freeport coal may 
be much too small or many times too large. 


Detailed tables of the coal reserves in each township have heen 
prepared and will appear in printed form in the report now being 
written on the bituminous coal fields of the State. They can be con-~ 
Sulted in the office of the Survey; or figures for a single towship 
Will be sent on request. 


WAN | | 


0112 077640925 
11a 11ZYO0U866 


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